Air Quality Index (AQI) in Heard Island and McDonald Islands 🇭🇲
Live Air Quality Index (AQI) and PM2.5 Levels in Heard Island and McDonald Islands
Currently, the Air Quality Index (AQI) in No Capital (Uninhabited), the capital of Heard Island and McDonald Islands, is measured at a score of 27. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in No Capital (Uninhabited) is influenced by a PM2.5 (fine particulate matter) concentration of 4.9 µg/m³ and PM10 levels recorded at 8.4 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 0.0 µg/m³.
Heard Island and McDonald Islands Air Quality: Major Cities Index
* Air Quality Index (AQI) data for Heard Island and McDonald Islands is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Browse Air Quality in Heard Island and McDonald Islands by cities in alphabetical order:
Frequently Asked Questions about Air Quality in Heard Island and McDonald Islands
What is the air quality in Heard Island and McDonald Islands right now?
The current AQI in No Capital (Uninhabited) (capital of Heard Island and McDonald Islands) is 27 — categorised as Good. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in Heard Island and McDonald Islands has the worst air quality right now?
Right now, No Capital (Uninhabited) has the highest AQI reading in Heard Island and McDonald Islands at 27 (Good).
What is the PM2.5 level in No Capital (Uninhabited) today?
The PM2.5 (fine particulate) concentration in No Capital (Uninhabited), the capital of Heard Island and McDonald Islands, is currently 4.9 µg/m³. The WHO 24-hour guideline is 15 µg/m³.
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide